GE LBI31072 Phoenix Maintenance Manual Download Page 1

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Summary of Contents for LBI31072 Phoenix

Page 1: ... noattr nADp PHOENIX MAIIIITENANGE MANUAT LBI3 TTI72 450470 MHz 20 WATT MOBILE COMBINATION GEr ERAL ETECTRTC ...

Page 2: ...peaker SYSTEM INTERCONNECTION DIAGRAM SCHEMATIC DIAGRAMS Interconnect Osci 11ator Channel Guard Board Transmitter Receiver Board Sheets 1 2 3 PARTS LIST PRODUCTION CHANGES ILLUSTRATIONS 1 Transmitter Receiver Block Diagran 2 Power Distribution 3 Q251 Lead Identification 4 Mechanical Layout 5 Test Equipnent Set Up 6 Transmitter Troubleshootlng 7 Receiver Troubleshooting Figure F i gure Fi gure Fi g...

Page 3: ...IMPEDANCE 20 70 r4 5 kllz 3 5 kHz volce nodulation and 0 75 kHz CG modulation 65 to 72O Millivolts at J91 1 4 3 5 to 6 M i I I ivolts at Within 1 dB to 3 dB of a 6 dB per octave pre emphasis fron 300 to 3OO0 Hz per EIA standards Post limiter filter per FCC and Less thA 3 1000 Hz Less than 5 300 to 3000 Hz 0 5 kHz naximum 5 5 MHz 50 ohms AUDIO OUTPUT to 4 0 ohms speaker SI NSITlVITY 12 dB SINAI 20 ...

Page 4: ...operation only in 12 Vo1t negative ground vehjcle systems The radio is of modular construction Both major modules and tuning adjustments are easi 1y accessiblt Loosening the two screws i n thc rea r of the top cover pro vides access to the inte rconnect or multi frequency interconnect board LI_ 1 i 10 7 2 cover provicles access to tLe transnri ltcr receiver board An optional set of test probes can...

Page 5: ... made by an 2 electronics technician who holds a Firsl or Second Class FCC Radiotelephone license where requi red TRANSTI I TTER ADJUSTIVIENT Adjustments for the Lransmi tter in clude measuring the forward and reflected power and adjusting the antenna length for optimum VSIJR then setting the transmitter to rated power output Next measuring the frequency and modulation and entering these mea surem...

Page 6: ...FF 45o 47o MHz 2t 4 uxz c R ECE l I k so o z zzz MHz AUDIO J rx xrAL FREa F3 Rx xrAL FRE E I RCONNECT OSC CG TR AIiST MUTE GATE l5O O 1 56 566 MHz ...

Page 7: ...ILTER 455KHd 2502 IF LIM FM DET AUDIO PRE AMPL u30 e 4 osctttaloRz MIXER IF AMPL u 50r FROM CHANNEL GUARD A UDIO MUTE GATE o 605 AUDIO AMPL u6 0l SMI TTER POWER CONTROT 0254 A257 Z HELICAT RESO NATORS t2t4 L2t5 45O 47O MHz RC4240 Figurel BlockDiagram sxclrEn e L PwR AMPL ...

Page 8: ...s network that enhances the signal to noise ratio R107 and C1O7 control the pre emphasis curve below limiting R106 and CLOT con trol the cut off point for high frequency pre emphasis As high frequencies are attenuated the gain of U101 is increased Audio from the preamplifier or microphone is coupled to the input of operational amplifier U101B 6 The amplified output of U1018 is coupled through R114...

Page 9: ...ndwidth as we11 Although this amplifier is capable of pro viding 12 I5 dB of gain both stages are hiased to provide adequate saturation to ensure no AM components are present at the exciter output Typical actual gain is 7 9 dB and typical power output is 150 mW The collector of Q204 is matched to the input of the second two pole helical filter L214 and L215 by C233 C235 L272 and L213 An RF sniffin...

Page 10: ...frequency Voltage variable capacitor D301 L301 and Y301 are connected in series to provide compensati on capability The compensation voltage used to control the transmitter oscillators is applied to D301 to maintain stability L301 is adjustable to set the oscillator frequency R301 is in parallel with Y301 to insure operation on the third overtone of the crystal The output of Q301 is coupled throug...

Page 11: ... noise arnplifier Q601 that has a resonant circuit L601 R604 and C6O2 as the col lector 1oad The output is noise in a band around 7 k z The noi se output i s coupled through Squelch control R607 to expander ampllfier Q602 which improves the level discrirnina tion characteristics of the circuit The output of Q602 is applied to a passive voltage doubler circuit D603 and D604 This circui t has a high...

Page 12: ...ee stage low pass filter The low pass fil ter attenuates frequencies over 21O 7 Hz The output of the 1ow pass fi lter at U1001 15 is applied to U1001 14 U1001 14 is the input of a limiter circui t limiting CIRCUIT ANALYSIS the output at peak to peak U1001 13 Lo 55 millivolts The output from the limiter is coupled to Pin 12 of FSSA U1003 Since the tone is the proper frequency the FSSA will a1low it...

Page 13: ... The regulator output is fixed at 8 5 volts by means ol selected resistor R640 Refer to the Receiver Schematic Diagram for resistor selection instructions Regulated 8 5 volts i s switched to either the receiver or the Lransmitter and Tx indica tor by the antenna relay The antenna relay is also powered by the 8 5 volt regulated supply The non latching relay is operated by the PTT switch on the micr...

Page 14: ... chassis must be checked for low impedance A high impedance may cause excessive volt age drops and alternator noise problems x ELECTPTCAL sYsrEM check the voltage regulator and alternator or gen erator periodically to keep the electrical system within safe and economical operating limits over voltage is indicated when the bat tery loses water rapidly usage of 1 or 2 ounces of water per ce1l per we...

Page 15: ...or M2 5 screw size and 1 0 Nm 8 inch pounds for the hex screw post A torque wrench must be used for this adjustment since transistor damage can result if too little or too much torque 1s used Solder the leads to the printed circuit pattern Start al the inner edge of mounting hold and solder the remaining length of transistor lead to the board Use care not to use excessive heat that causes the prin...

Page 16: ...d signal paths A majority of the Lead Identification signals and voltages pass through the connectors on the IOC board To isolate a signal or voltage path to determine loading effects loca te short circuits ete carefully insert an insulat or plastic wand toothpick between the appropriate pins of the related Molex con nector to create an open circuit Signals paths that may be isolated include Volum...

Page 17: ...orst case conditions For antenna mismatches 1ikely to be encountered in practice the actual limit wiIl approach the 18 VoIt figure iir ri il Routine transmitter tests should be performed at EIA Standard Test Voltages 13 for loads of 0 to 6 amperes Input voltages must not exceed the limits shown VDC even for transient peaks of short duration Many commonly used bench power supplies cannot meet these...

Page 18: ...OP102 A tiP280928 FCC IiA IEPLAIE A Arpzeoszz COIIBI NATION II IITPLATE IOP YIEY Figure 4 Mechanical Layout L4 A 19B8007 1 9P 1 Jl l r n DRi SCREii q PLACES A B ilTC 0SC C6 BL AST 19m00555 z 1001 cr rArr L GltARD VTRSATOf 19c320291 RECIIVER CRYSTAI 1 982J1065 TRA ISI I TTET CRYSTAL r9pjl065 COYtR SPEAXER ASI 19cE5085C OR c0 tR 1 9D900r2t YIEI r i A GENEBAT rrrclnrc Plnenir I 19D900640 Sh 1 ...

Page 19: ...l EL6r lArD 19A700035P508 5 X 0 6 X 8 THD FORI IIIIG SCREH 16 PLACES A S AA r9Azoool6P52o Itr 5x0 5x20 THD toRntt l6 scREt g PLACES a V iOIES A Hr ArD APPLY P r rqr22529 A sor rl AiT co r cTon 0 t prAct s D A ro t oF xrT PL 1gt701522 N scm iAf puTE sLIcHTLv T0 AccouiT FoR TApER It c srn6 A ott EtDs 0F THD FoRitttc scREt s lttTo LUBntC ltT 1 nl15204P1 BEFoRE IIST UIi6 n ctsTInG ...

Page 20: ...udio oscill ator output across Jgli just outpur for 1OO0 Hz at 1 0 I RMS 2 Reduce generator output until deviation iai less than 120 Eillivolts OEGREES FAHRE ADJUST Rt0t0 FT FREO ADJUST Ll51 Fl MOD ADJUST R155 F2 TX FREO ADJUST Lt52 75 2 7A I 5 F2 MOD ADJUST R156 IOC BOARD o c E z f o U t 0 50 o oo o 5 o IIOR J O T L u1 01 t00 u sEc LZf g Frequency Offset Chr ...

Page 21: ...Oscillator 2 Deviation Monitor 3 AC Voltmeter 4 Wattmeter 50 ohn 50 Watts 5 Frequency Counter FREQUENCY ADJUSTMENT Set the transmitter oscillator fre quency by adjusting L151 RPT and L152 DIR to the assigned operating frequency Always set the frequency flrst before setting lhe nodrlation L BI3LO72 MODULATION LEVEL ADJUSTMENT A Channel Guard Encode Disable circult has been incorporated as a mainten...

Page 22: ... turned I 4 lo 1 2 lutn counterclockwise AUDIO OSC I LLATOR lO0O Hr I O VRMS A LIGNMENT PROCEDURE STEP TEST PROBE TUNING CONTROLS I ETER READINC PROCEDURE I 3 4 5 6 7 8 I 10 11 l2 13 Tp20 1 TP2O 1 TP2O1 TP2O2 TP2O2 Tp20 3 TP20 3 Tp20 3 Tp203 Tp201 Watt meter L151 L152 L207 L202 L204 L205 L2A7 L2O2 L2O4 L2O5 L207 L20 8 LzO5 L207 L208 L274 L275 L214 L2r5 L752 R26A Maxinum 0 35V Typ Rated Power Mi n ...

Page 23: ...AUDIO OSC I LLATOR IOOO Hr I O VRMS Mrc Hr J9tO RC37728 Figure 5 Test Equipment Set Up ...

Page 24: ... then L354 and meter reading Continue controls until no further recorded Typically 0 6 and L352 for maximun peak L354 and e 5 93t4 for maximum peaking these improvement is volts Connect a frequency counter to TP401 using RF signa I Probe Adjust L301 for channel operating frequency If no meter indi cation is observed at TP351 connect positive leaci of RF Detector probe red dot to J301 using a short...

Page 25: ...O7 and L405 for maxinum VOM reading Alternately adjust L4O2 nd 1 401 for maximum VOM reading Reduce generator output to maintain a VOM reading of 0 5 to 1 0 Volts Carefully adjust L355 Il4 turn for maximum meter reading Alternately adjust L4O9 L4O7 and L405 for maximum meter reading Remove all test equipment DETECTOR AUDIO ALIGNMENT 14 15 1A Audio Ou t put P903 3 L504 Lii01 R52 1 s c I qrrt Apply ...

Page 26: ... Speaker Disconnect speaker J904 Connect a 4 0 ohm 5 Watt load resistor across J904 7 Z Connect the Dlstortion Analyzer input across the resistor as shown C D Adjust the VOLUME control for 3 Watt output 5 46 VRN IS using the Distortion Analyzer as a voltrneter lilake distortion measurements according to manufacturerts instructions Read ing should be less than 5 If the re ceiver sensitlvity i s to ...

Page 27: ...st 1 5 l atts 0 56 Volts Rit S across the 4 0 ohn re c eiver load using the Distortion Ana tyzer as a Voltneter l eave all controls as they are and all equiprnent connected if the Modulation Acceptance Bandwidth test is to be per forned SF RVTCE CHECK 1f the sensitivity 1eve1 is more than rated 12 dB SINAD check the alignment of the RF stages as directed in the Alignment Procedure STEP 3 MODULATIO...

Page 28: ...AUDIO AND SQUELCH WAVEFORMS RC 4260 T l _ Z Sq lch PJiugd lt 3 4onitor pushbunm in oJf I 6p l J gr 9ri i I oveer I o_ lioR 50 sEC DlV VERT 1 V DIV 5VPP OLUME COiITROL ry ...

Page 29: ...atts 3 46 VRMS into 4 ohm toad 4 Use 1 megohm probe e d 0 ISEC DlV iE 0 1 V DlV i r PP I 50lSEC DlV r 1 2 V DlV i 50ISEC DIV I T 1 V DIV 0 a 50ISEC DlV IE T 2 V DIV _2 ir P P 9r_ tsO 50jrSEC DlV vE3T 1 V DIV 25VPP o__ CR 50rrSEC DlV I RT 1 V DIV 5 5 VDC F l 2avPo L l ffic I IIIffiT EH HEI l iJi t l HOR 1t 4S D V VERT 0 5 V DiV l 2v P P o _ HOR 1 MS DIV VERT 2 V DIV 6 2 V P P e____ HOR 1 MS D V VER...

Page 30: ...MOVING MICROPHOIIE FROM OPTIONAL HOOKSWTTCT 2 AC VOLTAGES I EASURII G SqILCH CRT LMXS t P REFEn TO SCl l TlC IJ O CK VCLTAGES 1I ISA AIER Pfi EIX C ECK R C I ER OSCILLATM C IRCUIT APfLY 160 rYO TS RF SICML llllll l0 Hz tuttlAT I cN TO Alll JACK REPLAC SPEAXA IITH 4 oh LAAD s T rur c lFo FG 3 4 V aS acRoss LoAD ...

Page 31: ...tllH l0 lr rgll ATIOI TO AN JACK USERX RF tE PROE SQIJErcH BJTIOI IN q J R SrTtOr Cl O tSOt 0O TSSITIAIED CKIRY rIu 6Tl W 0F t5C CI CK RECE I GR osctLt lm crRcutT I im ecr sFEAcn I trr uono l G Es J r 2 s T lff m rF0 To n DC VILTAGE aT r 50r 2 t 7v 1 RG 428s Receiver Troubleshooting Flow Chart Figure 7 2L H FrEcToR EEIVER ALIGIIIfNT Et cK sct l aT I c XL TAES ...

Page 32: ...TROU BLES HOOT I NG 45O 47O MlIz POWER AMPITIFIER AND CHANNEL GUARD 22 fssue t tct l Rai IEC IED 2 9 uE gT DEGM 0 a5 voc OECMED 8 3 VDC 9 Fssr 7 Sloprss r trmn s u loo3 t5 ll0 HVRXS 2 0 vtlc Unlt does not I I Pl ...

Page 33: ...y Adjust then j f neccssary repai r power control Tune filter If Q252 draws around 0 75 anps prolllem 1s Q253 or associated circuitry If Q252 draws significantly less than 0 75 amps problem is Q252 or associated circuitry TROUBLESHOOTING Low output from Q25l sta ge Los power LoF power Low power HOOTING ce squelch switch in ition and check for Power control Antenna filter Q252 or sta ges Q253 fault...

Page 34: ...RX oSC J35 OUTPUT 8 5V TX 8 5V CONTINOUS VOL SO H I RX I lUTE SPKR HI A FLTRD VOL SO Hi P25 1 F L907 P9 I 3 J 1 CG DT P901 I __ 6 EXT SFI 901 It 3 q FLTRD VOL EXT Sf RX A D F CHANNEL CI A r A il 1 P903 o s o 903 1 5l J01 1 3 4 rt 6 7 i NTERCONNECT OS GUARD BOA J904 ftl B90t lll I NTERNAL SPEAKER P904 BR 1 2 2 SPKR HI 19D9o0656 Rev o ...

Page 35: ...KST ITCH t ncrzo t e t I I _t A STANDARD I 1I CROPHONE 1 9C850857P PTT _ NOTES r I srnxocno TIcROpHONE MIC HI coNNEcrs r0 J91 1 s AS sHoi N FOR OPTIONAL I 1 ICROPHONES ITH BUlLT IN PRE A14PLIFIER I I IC HI CONNECTS TO J91 1 4 2 _l SYSTEM INTERCONNECTION D IAGRAM PHOENIX COMBINATIONS t l l t roLel TOpe _ t TO P910 9 T0 P 1 0 8 i l ilTE RFC IR F or rH 0N IC HI IC HI IC LO PTT A C CHANNEL I 7 6 4 J 1...

Page 36: ...u 1 ii _ _ _r FJR i256 E OU A 4 4 A _E_ _C_ i lru ltloi lal aarr lllill lel r Y 1 Y CBarL d 6 ffiN lwl O o RUNS ON SOLD R SIOE l F RUNS ON BOTH SID S RUNS ON COMPOT ENT SIDE OUTLINE D IAGRAM 45A 470 MHz UHF TRANSM ITTER RECE IVER BOARD I N L IXE NOrEr TOP VIE CASE SHAPE I5 RETER TXI FACT0R FOR r Err t9ENTrFleAllol 19D900554 Rev 0 L9A702262 Sh l Rev 0 I9A702262 Sh 2 Rev 0 24 Issue I mm ...

Page 37: ...HLo I _HLs o o r5 HL1C LEAD IDENTIFICATION FCR 015r 0152 t5J 0 1 54 Q3C 1 G3C2 0e0 1 0r 001 01 002 01 003 31 004 G1005 ANt G10C6 FLAT itr k r l B IN_LINE T3P V i EI I JOTE IEAD ARRAIiGEIIEI iT ANN N3T CASE SHAPE IS DETERIlINlI JG FACTCR FCR LEAD IiENTIFICATIOI OUTL I NE D IAG RAM INTERCONNECT OSC ILLATOR CHANNEL GUARD BOARD I9D900557 Rev O 19A702264 Sh I Rev l L9A702264 Sh 2 Rev t l ol l l fi i l ...

Page 38: ...0 R90 r 560 I I I C PRE AI IP 090 r TO POYFR CABLE A SPARE CG OISABLE A_ EXT SPKR LO A SPARE FLTRD VOL SO HI EXT SPKR LO RX i 1UTE A REC DIR F RPT F I CHANNEL COh I lIC HI ilIC HI r rIc Lo PTT A TO t tI cR0 PHONE L9O1 A t 2uE R907 330 19DgO R101 I 0 5K Dt51 Rl52 NTC 3 3K Cl02 I lnrozr 68nllrrx R114 32 4K Rl10 6 34K lo9 I C1O9 1s 5K f6 8n Rl05 Rt06 4 7u R108 2 7 K HLS _ l _J_ c901 De01 i6 HLlzt uH ...

Page 39: ...p A A 8 5V T SPKR SPKR 8 5V C0NT PTT 8 5V TX e sv RX FLTRO VOL A SPKR HI RX IlUTE v0L s0 HI 8 5V C0NT g 5v TX TX PA SUPPLY TO INTSRNAL SPKR L0 l J NOTES t fi ron oNE FREo rx 6pl 2 s 6 or ilT cr5J u c155 C157 Ct58 Ct59 C168 0r5tr Lr52 L154 0152 8154 Rt56 Rl59 Rr60 Rl6 R164 Rt66 R172 5151 Xr5 Y152 890 ADD DA JUilPER HL9 TO HLIO FOR CHANNEL GUARD OPERATION 6P2 I 6 8 DELETE OA JUI iPER HLs TO HL6 3 9K...

Page 40: ...01 OECODE u 1l ENI I 1037 r 1 4 ox L _ lB J rr __Jj TONE REJECT FILTER I R1025 T I c1 020 68n 1 024 2k SCHEMATIC DIAGRAM IOC BOARD CHANNEL GUARD 26 cl 025 cl026 Rlor4 16 k R1017 7 32k R1021 8 25k R10t8 14 7k 810r 5 I 6 5k cr021 22On ut o04 A LNI De0 4l ll 0l Dt0 Issue I 19D900589 Sh 2 Rev 2 ...

Page 41: ... G1005 01006 RX MUTE S ITCH CI ANNEL GUARD L SO H I G1 ALL RESISTORS ARE 1 4 VAIT UNLESS OTHERYISE SPECIFIED RESISTOR YALUES IN TT UNLESS FOLLOYED BY hULTIPLIEF K OR 11 CAPACIT0R VALUES IN F UNLESS F0LLOYED BY i ULTIPLIER p n 0R r INBUCTANCE VALUES IN H UNLESS F0LL0YE0 BY I ULTIPLIER ttr 0R p ENCODE OUTPUT 41002 TONE STAGE L NO REV LETTER ...

Page 42: ... rtaJa r9D900597 t c218 l c205 1 5P L202 c21 5 1 5P a 2 a l FProll c207 12P c2cs 1n c21 i 10P ll l04l ir I o fcz t I 8 2P c20 ln R O7 10K 1206 47 R25 3 c 9 1OP AMPL 4 nrRl N J I POWER AI IPLIfIER UZJ L1JJ VIbl L OJ I ron I qzop 17op I 4 7o L I 47Oe L25 4 c260 lP I czdt l_l czarf I R254 I io 47 Oe 4f P I Lz55 R256 r0 1 2 l r 1 r I zlop I tn J__r I cz14 L zf P c252 7e ...

Page 43: ...A c235 D CC TTl I t J t L L 64 L 65 c2 86 4 7u D I 1 n qT JJ R259 1K It l LL lr Ii 256 T I TER A w25A R763 470 c 44 47 Ap c2 80 c 7 9 1lP c27 I 18P 8 P 39p 39p 12P SCHEMATIC DIAGRAM 450 470 MHz UHF TRANSMITTER T 1 FXCiTfFi taa J _waL I 20a l C2 J7 Rl1 l I 3 r J Jr i 14 1 t 7f c 23 Ill u2a1 2 I aio z t Pq c2J8 47 OP c 25 c226 it f T 4io Fr c228 47 On c268 I C269 PowER I CONTROL r9 91 AoJusi zoP 3 I...

Page 44: ...450 470 MIIz 28 J C629 r 470P t_ _ _ J 2ND OSC YIXER TF u50 I D IAGRAM UHF RECEIVER RF AMPL a 40 l I a 402 F I LTE R 455 KHZ L I M i TERIFM DETECTO u502 1t c40 470 c401 47 OP L i c403 R4oB I 47op a l i3 fl oo I I I l I Ic oe Ic4r r R4OS I t et tst 4 fll C520 r Bk T l rok 1 lfl lr 6v c522 I I lcsl5 lz zu Rs21 AUDIO LEVEL Issue I AMPL 19D90059 Rev 2 ...

Page 45: ...TR I PLER Xf 03 51 R355 10 20F R524 39k R523 3 3k 1u c360 47 OP c35S 1 8 1OP XTAL F I LTEfi 21 4 t HZ 1ET IF AI 4PL G50 1 i __ L R527 100 RsO2 CS03 r 65s5 27k I I 0n r 27O L504 OR AUD I O PRE AMPL ...

Page 46: ... NO SIGNAL INPUT 2 VOLUI lE CONTROL R634 SET TO 11 INIMUM 3 HONITOR S IITCH S6O1 IN OUT POSITION 4 UNSOUELCHED US SOUELCH ADJUST R607 SET TO MINII 1U11 C 5 SOUELCHED S SOUELCH ADJUST R607 STT TO I 1AXI11UM CC NOISE AI PL t J6U I EXPANDER AMPL 4502 ca titrt au SCHM I I 0601 R61 5 47K I 4ON I TOR s60 1 6 7V S 6 2V US R61 6 10K 7 3V S 1 7V US IlODEL NO REV LETTEF SCRIPTIO PL1 9D90055JG1 PL 1 9D900585...

Page 47: ...c61 3 22On iIATT UNLESS OTHER ISE SPECIFIEE UNLESS FOLLO EO BY IIULTIPLiER K OR 11 UNLESS F0LL0i ED BY l lULT I PL I ER s n 0R e H UNLESS F0LL0WED BY HULTIPLIEF m 0R p RX 14UTE A TE UN IL I OUJ A SPKR HI FLTRD VOL SO HI 8 5V CoNT VOL 50 HI 8r5V TX RX HUTE S CHEMAT IC 450 470 MHz UHF Issue I D IAGRAM RECEIVER 3 cetl 6 J 7 2 1 4 TX ND D 607 8 5V TX R6 3J0 7 3V VOL SO HI R627 1 2K c607 22Qn 7 8V 5 s ...

Page 48: ... HOOKSWITC r9c3203r8G3 S6 DA HI I I pgt A C G DISABLE JUMPER TO DISABLE CHANNEL GUARD MONITOR OFF HOOK OFF MON ITOR P9IO 5 FOR TYPE 99 DEEODER L_ s t sHowN E CONNECT TO SERVICE SHEET HOOKSWTTCH 19C3203I8c3 I x ReuovE DA I auroMATrc s 6 sHowN 30 Issue I 19A142809 Rev t ...

Page 49: ...En LEADS IO P9l0 l AltD Pg lo t T0 DISC0iX CT ITI RIITI SPEAKET F IILD OI LY RIITOVE JUIIPER BETIET HL ATD f I 2 fOI EITERiAL SPEA ER I ITH THT AC POIIER SUPPLY REiOYE JUIP T It PffiR ABLE BilftEll P910 J t P9 10 10 ArD cotilttcl Ptt toTE l DE SX i I cr0 h0lE CTELE l0 YlEv ffi f Ia8a iiDBe iI 9 r g c r D vtrrrrr r l mlE IOTES l ro AniL GUARD rnol P9l 5 Io P91o 9 R Y i 6REEI TIRf OPT ION CONNECT IO...

Page 50: ...19A701602P 14 19 A7 0 624P 12 19A701624P t0 19r 7 0O234P7 19A7015 34P7 1 9A701602P L4 l 9A701624P 20 19A701624P5 19A700235P1 19A7002 33P 7 LgA701602P 14 19A701602P8 19A7 0t 624P5 l 9 A7 DO234p 7 TRANSMIT RECNIVI BOARD 19D900533G1 Ceramic 6 8 pf 157 50 VDCW 150 PPM tenp c Ceramlc 1000 pf r20ib 50 lDCw Polyesteri 0 1 pf t10 i 50 lDCh Ceramic 1000 pf l20i 50 VDCW Phenol ic 1 5 pf 5 500 lDCw Ceramic 1...

Page 51: ...233P5 19A700028p 1 19A700028P1 Sl1icon last recovery 75 e fsd current Silicon last recovery 75 m fwd current SYMB L GE PART NO DESCRIPTION D5 o1 and D502 D601 thru D 606 D607 D608 J 15l J3 1 K601 L201 L202 L203 L204 and L205 L206 L207 and L208 L209 L210 L2TI L272 L2t3 L274 and L215 L253 L254 L255 and L256 L2 7 1259 L260 and L267 L262 r263 and L265 L351 L352 L353 L354 and L355 IAOT and TA02 rl03 tA...

Page 52: ...h6 5 w Deposited carbon lOK ohc 5 h O 25 N Composition 2 2K ohre X5 7 4 q Deposited carbonr 47 ohre t5 0 25 v Composltion 220 ohG 5 4 w Deposited carboni 3 3K ohre t5 0 25 Composj tion 470 ohc 5 L 4 w Deposited calbon 18 oilm t5 0 25 v SYMBOI GE PART NO DESCRIPTION R2 ld R2I7 R2 18 R219 R221 R25 I R252 R25 3 R254 R255 R25 6 R257 R258 R259 R260 R262 R2 63 R264 R2 65 R2 66 R35 I R35 2 R353 R354 and ...

Page 53: ...ed carbon Deposlted carbonl Deposited caxbon 4 7 ohre 5 O 25 v 100 ohre 5 D 25 w 47K ohms s ia O 25 w 22K ohre 15 0 25 v 330 ohms 15 O 25 w l8K ohre ts j 0 25 w l oK ohre t5 0 25 v Deposited carbon O 27M ohre 5 0 25 v Variable 200 to 10K ohre g 7o L 3 w Deposited carbon 6 8X ohus 15 0 25 w Thernistor 470 ohre t1O at 0 power color code brown sim to Phillips 2322 642 J L47I Deposited carbon 8 2K ohr...

Page 54: ..._ 386P1 19B r 90lP1 l9 ic68Pl t9r 101 15P 3 19 r r0069P l 19 iE274P 1 NP2ar578Pl 1iP23 878p13 19c3 3387P I 19 rlri 753P5 l9J _1a076P1 19 1_1 1753P2 19D 1 9826P1 19 Ltai743P1 19 171 J114P1 19t 1332P4 19 rt i1887P1 19 17 J 19 0 0P 2 NISCELLANEOUS Screw thread Jolning No M3 5 i Secures A1 Spacer Used rth Q252 Sasher spring tension Used rc l Nurr spa er 8 32 Used rt e Tuning slug Used with L207 L l L3...

Page 55: ...9A700032P5 r982 32859P 1 t9 4 7 0I7 44P r rgBa007 tgP l l9A702sa8P I Connector Includes Shel1 Contact electrical Quantity 2 IlI S CX LIA Nn OUS S reen Used trj Lh 890 L speaker Ilachioe screw Pbillj tr s head No 6 32 x 3 a Secures 8901 speaker HARDWARE K T 19 A7 0 r522G4 JACKS AND RNCEPTACLES Receptacle Cou sim to Amphenal 83 876 1OO2 MISCELI ANEOUS Top screw M 3 5 x 0 6 x 20 Secures Tx Rx sbield ...

Page 56: ...t Bfack I no r bracket PebbIe I I u n brdcket desk top I ohrR cABr E I I 19823292sc2 I l ao or prjnted Irine sim Lo filo Lex 09 05 I urs r ous I I r of r lnc1udes 19A11678IP5 on u r I LusrD LEAD ASS ETIBLY I I r9Ar378 LaG9 ro AW I I r9Ar378r8clo 2 AW I l aoor electrical Brre range No 18 24 AltG I I sr ro Mo ex 08 50 0106 Hung rn iring on red I I r ellos ires I J Contacl erectric s1m to Lilte fuse ...

Page 57: ...116986P108 19At 16986P112 Nta7P160L0c6 N4 03Pr9C6 N4 02P39C6 N130Pt610C6 Permanent magnet 5 inch 3 2 ohr6 15 inp 5 w max operating sin to Piodeer 002009 2 cooductor cabl e approx 5 feet long includes 2 194116781P5 contacts Grille Housing Mounting bracket Located between housing retaining bracket Tap screw ith lockwashera No 7 79 x I 2 Secures speake to housing Tap scret w Lth lockwasheri No 7 Lg x...

Page 58: ...amic 1000 pl 1207 50 vDcw Ceramic 1 5 pf 25 pf 50 vDC 150 PPM temp coef Ceranlc 2a pf l5 pf 50 tDCw 1 50 PpM temp coe ceramlc 680 pl 120 50 VDCIil Ceramicr 1000 pf t20 50 1Dc1 Tantalum O 47 pl e O 35 DCw COMPONENTS ADDED DETETED OR CHANGED BY PRODUCTION CHANGES SYMBOL GE PART NO DESCRIPTI N c9 0I c902 c903 c90 1 c9 05 cIo0l c 1002 and c1003 c 1004 c 1005 thru c1007 c1008 c 1009 c 10 1 0 c 1011 c 1...

Page 59: ...r9A701250P350 19A7000r9P41 Cotrnector 7 contacts sin to Molex A 2461 os 67 ro72 Printed wire 2 contacts sin to Molex 22 05 3Ol printed pire fI contaets sim to Mofex 09 75 ll Printed vire 8 contacts slm to Molex 09 5 108 Coil Rf Yariable Coil RI Variable Cor 1 Rf variable Coi1 RF Variable Coil RF 1 5 irH 100 VRMS operating coi1 RF 1 0 H 100 vRMs opeaating CoiI RF 10 FH 100 VRMS operating CoiI RF Ya...

Page 60: ...n 560 onms 1 50 250 Dch I 4 Deposlted Carbon lK ohre tst 25O 1IDCW I 4 w Deposited carbon 27o ohru 5 250 Dch 1 4 s Deposi led carbon 33x onN 5 25o wch L 4 w Deposited Carbon IOK ohm 5 25O YDCW 1 4 w Deposited carbon 5 6 ohre X57 25o VDcw l 4 s Delosited Carbon 330 ohre s io 25O YDCW 1 4 v Deposited Carbon 22K ohre 5 25O IDCW 1 4 Deposited Carbon 560 ohN 5 25O VDCli l 4 q l irevound 2 2 obm 110 2 t...

Page 61: ...vL52 Y151 aod vI52 y301 21001 19A1298r P2 19C328587P I I9A701743P1 198233066c1 r98233066G5 19B233066G2 r98233066c7 Insulator Used vith U1002 Pushbutton S151 Pad Located at sl51 ASSOCIATED ASSEI BLIES NOTEi When reordering gj ve cE part ounber and specify exact frequency needed Crystal tratrsmit 5 PPM 150 174 Hz Fx gg 3 Crystal Tlansnit 5 PPM 450 470 MUz tr x Fo g Crystal Receive 5 PPM 150 174 MHz ...

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